Public water system · WA53SP660
ActivePearrygin Lake State Park - Both Cg
At a glance
Pearrygin Lake State Park - Both Cg (PWSID WA53SP660) is an active transient non-community water system in Okanogan County, Washington. It reports serving 2,103 people through 130 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,103
Service connections
130
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Pearrygin Lake State Park - Both Cg compare with other water systems in Okanogan County?
By EPA's size categories, Pearrygin Lake State Park - Both Cg is a small system (501 to 3,300 people). Okanogan County has 119 active public water systems, and Pearrygin Lake State Park - Both Cg is the 6th-largest of them by population served. Its population served is about 5.5 times the county average of 383 people per system, and accounts for 4.6% of the 45,608 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Pearrygin Lake State Park - Both Cg is about 15 times that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Washington has 1,913 active transient non-community water systems, 41% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.
Who owns and regulates Pearrygin Lake State Park - Both Cg?
EPA lists Pearrygin Lake State Park - Both Cg as owned by a state government. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 7 of the 119 active systems in Okanogan County (5.9%) are also owned by a state government.
Does Pearrygin Lake State Park - Both Cg have drinking water violations?
EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in May 2025. The violations listed here began between October 1991 and May 2025. By type: 5 contaminant level above the legal limit, 4 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 6 as archived and 4 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1993-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-10-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Pearrygin Lake State Park - Both Cg: frequently asked questions
Who runs Pearrygin Lake State Park - Both Cg?
Pearrygin Lake State Park - Both Cg (PWSID WA53SP660) is a transient non-community water system owned by a state government. It is regulated by the WA state drinking water program.
How many people does Pearrygin Lake State Park - Both Cg serve?
Pearrygin Lake State Park - Both Cg reports serving 2,103 people through 130 service connections in Okanogan County, Washington.
Where does Pearrygin Lake State Park - Both Cg get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Pearrygin Lake State Park - Both Cg have any drinking water violations?
EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in May 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Pearrygin Lake State Park - Both Cg's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in May 2025. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Pearrygin Lake State Park - Both Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pearrygin Lake State Park - Both Cg is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Okanogan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Omak City of | Okanogan | 4,940 | Community | Groundwater |
| Brewster City of | Okanogan | 3,843 | Community | Groundwater |
| Okanogan Water Department City of | Okanogan | 3,817 | Community | Groundwater |
| Oroville City of | Okanogan | 3,256 | Community | Groundwater |
| Tonasket Water System | Okanogan | 2,398 | Community | Groundwater |
| Okanogan Neighbors | Okanogan | 1,600 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Pearrygin Lake State Park - Both Cg, PWSID WA53SP660, Washington”, https://aquacensus.com/water-systems/washington/pearrygin-lake-state-park-both-cg-wa53sp660 (data as of October 1, 2026).